8707885940 has 96 divisors (see below), whose sum is σ = 20010510240. Its totient is φ = 3163815936.

The previous prime is 8707885939. The next prime is 8707885981. The reversal of 8707885940 is 495887078.

It can be written as a sum of positive squares in 16 ways, for example, as 2345271184 + 6362614756 = 48428^2 + 79766^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4866566 + ... + 4868354.

It is an arithmetic number, because the mean of its divisors is an integer number (208442815).

Almost surely, 2^8707885940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8707885940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10005255120).

8707885940 is an abundant number, since it is smaller than the sum of its proper divisors (11302624300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8707885940 is a wasteful number, since it uses less digits than its factorization.

8707885940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101 (or 2099 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 56.

The square root of 8707885940 is about 93316.0540314473. The cubic root of 8707885940 is about 2057.3313497136.

The spelling of 8707885940 in words is "eight billion, seven hundred seven million, eight hundred eighty-five thousand, nine hundred forty".